Be less curious about people and more curious about ideas.
Experience without theory is blind, but theory without experience is mere intellectual play.
A moral being is one who is capable of reflecting on his past actions and their motives - of approving of some and disapproving of others
There is an eloquence in true enthusiasm.
It is a good rule in life never to apologize. The right sort of people do not want apologies, and the wrong sort take a mean advantage of them.
I love Madrid. I am happy to be here. I have been here three years and hope to be here longer. But I am proud of where I come from and never forget the people I grew up with.
Do unto those downstream as you would have those upstream do unto you.
A hero cannot be a hero unless in a heroic world.
I will indulge my sorrows, and give way to all the pangs and fury of despair.
One must judge men not by their opinions, but by what their opinions have made of them.
The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.
Racism is a much more clandestine, much more hidden kind of phenomenon, but at the same time it's perhaps far more terrible than it's ever been.
I speak for the trees, for the trees have no tongues.
I'll always be poor in my mind.
All the perplexities, confusion and distress in America arise, not from defects in their Constitution or Confederation, not from want of honor or virtue, so much as from the downright ignorance of the nature of coin, credit and circulation.
Unless someone like you cares a whole awful lot, nothing is going to get better. It's not.
I must not write a word to you about politics, because you are a woman.
The English contribution to world cuisine - the chip.
To turn really interesting ideas and fledgling technologies into a company that can continue to innovate for years, it requires a lot of disciplines.
Time is an illusion. Lunchtime doubly so.
Good actions ennoble us, and we are the sons of our deeds.